Leonardo C.
Back-end and Systems Engineer

Skills

Vue.js

Cascading Style Sheets

Oracle Database

Html

Javascript

Mysql

Angular

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Bio

A seasoned System Analyst with a focus on programming has transitioned from a support analyst role to a programming career. With a background in SAP and ABAP programming, the current specialization is in backend development using C# (.Net Core) and SQL. While the primary expertise lies in backend development, there is also adeptness in frontend technologies such as VueJs, React, and Angular. Proficiency extends to multiple technologies including Identity, Entity Framework, MySQL, Git/Git Flow, Bitbucket Pipelines, HTML, CSS, Javascript, MongoDB, and PrimeVue within Scrum teams. Additionally, there is substantial knowledge in Websockets, Docker, NodeJs, Unit Testing with xUnit, Golang, and RabbitMQ.

IT Systems Maintenance Developer
4/1/2023 - Present

Developed proficiency in performing corrective maintenance and implementing improvements on systems built with .Net Framework and .Net Core. Demonstrated technical expertise in identifying, troubleshooting, and resolving issues within existing client systems, ensuring optimized performance and reliability. Utilized key tools and frameworks integral to .Net development, facilitating seamless upgrades and system enhancements.
Mid-Level C# Backend Developer
6/1/2022 - 2/1/2023

Built and maintained an application for managing profiles on social networks. Applied in-depth knowledge of .Net Core 6 for developing both API and Worker components, utilizing EF Core for seamless communication with a MySQL database. Integrated and consumed Meta's API to facilitate functionality related to Facebook. Provided support to colleagues and performed specific adjustments to the frontend architecture constructed in VueJS when necessary.
Developer Analyst
11/1/2020 - 6/1/2022

Specialized in the construction and maintenance of APIs tailored for health sector data integration. Utilized technical expertise in RESTful API design and implementation, ensuring seamless data exchange and interoperability between diverse healthcare systems. Leveraged frameworks such as Flask and Django for backend development, and employed tools like Swagger for API documentation and testing. Demonstrated proficiency in Python and JavaScript, ensuring robust and scalable API solutions. Incorporated security measures including OAuth2 and JWT for secure data transactions. Utilized PostgreSQL and MongoDB for efficient data storage and retrieval. Maintained collaborative code management using Git and performed continuous integration and deployment via Jenkins. Actively contributed to the optimization of data workflows and interoperability standards in healthcare applications, ensuring compliance with industry regulations and protocols.
Programmer
8/2/2017 - 7/2/2019

Provided support for two client systems based on the CA Clarity PPM platform, addressing corrective calls and participating in development projects. Developed and executed SQL queries utilizing the Oracle database, showcasing strong technical expertise in managing and optimizing database operations.

Bachelor of Information Systems at Fluminense Federal Institute
2019 - 2024
Technology in Systems Analysis and Development at Fluminense Baptist College
2006 - 2009